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July 5, 2015

Homework Help: Statistics- Standard Error

Posted by Sarah on Tuesday, July 26, 2011 at 11:17am.

A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is ______ ?
The standard error of the number of Republicans in the sample is _____ ?

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